Remove double underscores from include guards

diff --git a/include/deal.II/matrix_free/cuda_matrix_free.templates.cuh b/include/deal.II/matrix_free/cuda_matrix_free.templates.cuh
index cbf9f66a179f95de93443272d57bec4b7386200e..e954a2d4c53c270fb43f5245571aaec13c0c501b 100644 (file)
--- a/include/deal.II/matrix_free/cuda_matrix_free.templates.cuh
+++ b/include/deal.II/matrix_free/cuda_matrix_free.templates.cuh
@@ -14,8 +14,8 @@
 // ---------------------------------------------------------------------
 
 
-#ifndef dealii__cuda_matrix_free_templates_cuh
-#define dealii__cuda_matrix_free_templates_cuh
+#ifndef dealii_cuda_matrix_free_templates_cuh
+#define dealii_cuda_matrix_free_templates_cuh
 
 #include <deal.II/matrix_free/cuda_matrix_free.h>